Back plate for lighting fixture



FIG. 1 is a perspective view of back plate for lighting fixture, showingmy new design;

FIG. 2 is a front elevational view thereof, the rear surface being flat;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The ornamental design for a back plate for lighting fixture, as shownand described.